{
  "manageEntity": {
    "action": "Update",
    "entityId": "930357148",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe7afe35cc158392eb89b953b69c7acb5a41bfa5ea184318790b230d2ba37a292",
    "signature": "0x9f00fd85c7e62bed5263f5ce4afcc84af46fba1d1695d098d100f78ebfd17dd056e6c08e2ec0eff6c32834708352c6def0e6e0aa45a9f66ed7627099ae8b9a551b",
    "signer": "0x918763385B46E1a22236838DA41622bAE8282Df0",
    "userId": "930357148"
  }
}